From: Li zeming <zeming@nfschina.com>
Date: Fri, 21 Apr 2023 21:47:33 +0000 (+0800)
Subject: sparse: remove unnecessary 0 values from rc
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f0ca8c25256dd22737db5780e33e2809ce297625;p=linux.git

sparse: remove unnecessary 0 values from rc

rc is assigned first, so it does not need to initialize the
assignment.

Link: https://lkml.kernel.org/r/20230421214733.2909-1-zeming@nfschina.com
Signed-off-by: Li zeming <zeming@nfschina.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/mm/sparse.c b/mm/sparse.c
index fb7aeb1899a45..c2afdb26039e5 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -832,7 +832,7 @@ static struct page * __meminit section_activate(int nid, unsigned long pfn,
 	struct mem_section *ms = __pfn_to_section(pfn);
 	struct mem_section_usage *usage = NULL;
 	struct page *memmap;
-	int rc = 0;
+	int rc;
 
 	if (!ms->usage) {
 		usage = kzalloc(mem_section_usage_size(), GFP_KERNEL);